Sand-brick machine.



No. 889,920. PATENI'ED JUNE 9, 1908. P. G. FORRESTER.

SAND BRICK MACHINE.

APPLICATION IILED OUT. 4, 1906.

Ff P6567" 6257795567. 5,

ELFIQ PETER O. FORRESTER, OF TACOMA, WASHINGTON.

SAND-BRICK MACHINE.

Specification of Letters Patent.

Patented Tune 9, 1908.

'Application filed October 4, 1906. Serial No. 337,340.

To all whom "it may concern:

Be it known that I, PETER O. FORE-ESTER, a citizen of the United States,residing at Tacoma, in the county of Pierce and State of Washington,have invented a certain new and useful Improvement in Sand-BrickMachines, of which the following is a specification.

My invention relates to sand brick machines, and has for its objectparticularly new and. useful improvements in the devices for mixing andsupplying the material to the machine proper.

My invention is illustrated in. the accompanying drawings, whereinFigure 1 is a sectional view of the apparatus as a whole showing certainparts in elevation; Fig. 2 is a section on line 22 of Fig. 1, and Fig. 3is an end. view of a portion of these devices.

Like parts are indicated by the same letter in all the figures.

A is the casing preferably removable during the operation of themachine, but concealing its operating parts.

A is the hopper through which the material is supplied to the machine.

A is a projecting, continuous motion, driven shaft of the brick machine.A is a pulley thereon, driving the belt A.

A is a projecting stud on the upper plunger of the brick machineprojecting through the slot A in the casing.

A is a rope having the ring A to engage the stud. The rope A is attachedat its upper end to one end of the arm. B which is loosely mounted onthe shaft C and carries a dog B to engage a ratchet wheel B which istight on the shaft. The arm is pulled up wardly by means of the weight Bon the cord B which passes over the pulley B The parts are soproportioned that in the case illustrated by each downward motion of thearm B the shaft C is rotated one-sixth of its circumference. On thisshaft are mounted a series of discharge devices 0-, C C Each consists ofthe casing illustrated and the internal discharge device consisting ofthe segments C", 0* formed by radial projections on the shaft C withinthe casing. The casing is open above at C beneath the several hoppers C,C and C and below at 0 above the trough D. The several hoppers containsuitable material as for example hopper C may contain coloring matter, Clime, C sand.

The devices of the several parts are made as desired, and they are sorelationed that as each of the discharge devices is rotated one sixth ofthe way around it discharges into the trough D a certain amount ofmaterial, the three substances being in sufficient quantity to furnishmaterial, along with the water supply hereafter to be referred. to, tomake one set of brick, as, for example, four bricks. In the trough D isa conveyer D which moves and to a certain degree mixes the materials andcarries them in the direction indicated by the arrow until they aredischarged at the point D into the trough E. This latter trough has astirring, mixing and conveying device E which moves the mixed mate rial.in the direction indicated by the arrow to the end of the trough E andthe discharge opening E whence such material is discharged into thehopper.

The shaft D of the conveyer D is provided with a pulley or sprocketwheel D which is driven by the belt A and it is geared by means of thegears D D to the shaft 93 of the conveyer E so that the two rotatetogether. Since the belt A is driven from a continuous motion shaft ofthe brick machine proper, these two conveyers will be in motion so longas the brick machine is in motion, and since the shaft 0 isintermittently partially rotated through the operation of the rope Afrom a reciprocating portion of the brick machine proper, the shaft Cwill be rotated far enough to discharge at each reciprocation a properquantity of material into the trough D.

After the materials have been mixed and conveyed to near the point ofdischarge into the hopper A it is necessary to supply a suitablequantity of water. This water is supplied from the tank F into whichwater is supplied through the supply pipe F being maintained at a fixedlevel by the floating valve F At one edge of this tank, and opening frombelow the top thereof, is the chute F which leads to the pipe F whichdis charges at the point F near the conveyer trough E. Mounted on therope F at the upper end of the chute F is a rocking dipper Fproportioned and weighted so that it slightly below the tends to stay inthe position indicated in Fig. 1. In this osition its inner end is ievelof water in the tank so that the di per contains a quantity of waterbelow t e water level line F The dipper may be provided with the weightF. To keep the water from flowing out between the sides of the dipperand the edge of the end of the tank, a canvas valve F is provided. Arope G is attached to the outer end "of the di per and to the arm B, sothat every time t e shaft 0 is rotated one-sixth way round, the dipperfull of water is taken out of the tank, poured into the chute anddischarged thence through the pipe into the end of the conveyer E Itwill be understood that these several parts are intended to be hereshown as it were diagrammatically and that most of them can be greatlyvaried in size, proportions and relations without departing from thespirit of my invention.

I have conceived of many other forms and types of these several partsnot here of course fu y illustrated, but suggested at least in generalterms by what has been shown described.

The use and operation of my invention are easily understood.

The brick machine being in operation, the rope from some one of itsreciprocating parts is alternatelymoved so as to rotate the shaft 0one-sixth way around and this results in discharging a suflicientquantity of the sev eral materials required into the trough D.

and

This material here is moved forward and disa charged into one end of themixer D where it is mixed and moved forward passing at some suitablepoint under a supply of water which is intermittently discharged insufficient quantity to furnish moisture for one set of bricks. As shownthe supply pipe is opened directly into the trough with this water canbe delivered in any desired manner and over any desired part of thetrough.

I claim:

1. In combination with a brick forming device having a reci rocatingpart, a-mixing device, a water tan a tilting dip er associated with thewater tank and a apted to discharge water into the mixing device inmeasured quantities, and connections from the reciprocating part to thedipper whereby the same is intermittently tilted.

2. In brick making apparatus, the combinationof a brick forming devicehaving a reciprocating part, with a series of hoppers for the dryingredients, measurin devices in said hoppers, a rotatable shaftconnected with said measuring devices, a mixing and conveying deviceinto which the material is discharged from said hoppers, a water tank,-a tilting dipper associated with the water tank, a trough to receive thewater from the dipper, a connection from the trough to the measurin andconveying device, and con nections from the reciprocating part of thebrick forming device to said rotating shaft and said dipper forintermittently rotating said shaft and tilting said dipper.

3. In brick making apparatus, the combi nation of a brick forming devicehaving a reciprocating part, with a series of measuring devices formeasuring the dry ingredient, a common driving shaft to operate thesame, a water tank, a water measuring device associated therewith, aconnection between the reciprocating part and the water measuring devicecomprising a pivoted arm, a ratchet device on the driving shaft for themeasuring device, and a pawl on such pivoted arm.

PETER C. FORRESTER.

Witnesses:

A. E. GRAFTON,

J. O. MACDONALD.

